Dryer Won’t Start – How To Fix It?

If your dryer won’t start, it can be incredibly frustrating, but the good news is that many issues are simple to fix with a little troubleshooting. In this guide, we'll walk you through the most common causes of a dryer that won't start and how to address each one. Whether your dryer isn't turning on at all or it’s only partially functioning, these steps will help you get it back in working order.

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Common Causes of a Dryer Not Starting

Before you start troubleshooting, it's important to understand the potential reasons your dryer might not be turning on. Some common causes include:

• Power issues: A dryer won’t start if it’s not getting power.
• Door switch problems: The door switch prevents the dryer from starting if it's faulty.
• Thermal fuse issue: A blown thermal fuse can stop the dryer from operating.
• Start switch malfunction: A defective start switch can prevent the dryer from turning on.
• Drive motor problems: The motor may have malfunctioned, preventing the drum from turning.

Step-by-Step Guide to Fixing a Dryer That Won’t Start

1. Check the Power Supply

One of the first things to check is whether the dryer is receiving power.

• Inspect the power cord: Look for any visible damage to the power cord. If it’s frayed or broken, it needs to be replaced.
• Test the outlet: Plug another device into the same outlet to confirm it's working. If it’s not, reset your circuit breaker or check for a blown fuse.
• Check the dryer’s plug: Ensure the dryer plug is fully inserted into the wall socket. Sometimes, it can become loose, preventing the dryer from turning on.

2. Examine the Door Switch

The door switch ensures that the dryer only starts when the door is securely closed.

• Test the door switch: Press the door switch while the dryer door is closed. If you don’t hear a clicking sound, the switch may be faulty.
• Test with a multimeter: If you have a multimeter, test the continuity of the door switch. If there is no continuity, replace the door switch.

3. Check the Thermal Fuse

A blown thermal fuse is a common issue, especially in dryers that are overheating.

• Locate the thermal fuse: The thermal fuse is usually located on the blower housing or near the heating element.
• Test the thermal fuse: Use a multimeter to test the fuse for continuity. If there is no continuity, replace the thermal fuse.
• Why the thermal fuse blows: A thermal fuse blows when the dryer overheats, often due to a clogged vent or lint buildup.

4. Inspect the Start Switch

The start switch is responsible for initiating the dryer’s cycle.

• Test the start switch: Press the start button and listen for a click. If you don’t hear anything, the switch may be faulty.
• Test the switch with a multimeter: Use a multimeter to test the continuity of the switch. If it shows no continuity when pressed, it needs replacing.

5. Examine the Drive Motor

If the dryer is still not starting, the motor may have malfunctioned.

• Check for motor noise: When you press the start button, listen closely. If you hear a humming sound but the drum doesn’t turn, the motor could be stuck or faulty.
• Test the motor: If the motor is not turning and you can’t hear it running, use a multimeter to check for continuity. If there is no continuity, you’ll need to replace the motor.
• Inspect the motor belt: Sometimes, the motor may be fine, but the belt that connects it to the drum is broken. Check the belt for signs of wear and replace it if necessary.

6. Check the Timer or Control Board

If the dryer still won’t start, the issue could be with the timer or control board.

• Test the timer: Use a multimeter to test the timer for continuity. If the timer doesn’t show continuity when it should, it’s faulty and needs replacement.
• Inspect the control board: The control board directs power to the dryer’s components. If it’s damaged, the dryer may not start. If you suspect a faulty control board, it’s best to consult a technician for diagnosis and repair.

7. Examine the Circuit Breaker

If your dryer is powered by a 240V circuit, a tripped breaker can cut off power to the unit.

• Reset the circuit breaker: Go to your home’s electrical panel and check if the dryer’s circuit breaker has been tripped. Reset it and try turning the dryer on again.

When to Call a Professional

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If none of the above troubleshooting steps solve the problem, or if you’re unsure about performing any of the repairs yourself, it may be time to call in a professional technician. Some issues, like a defective control board or electrical problems, require expert knowledge and specialized tools.

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Conclusion

A dryer that won’t start can usually be traced back to a few common issues, such as power problems, a faulty door switch, a blown thermal fuse, or a malfunctioning start switch. By following the steps above, you can diagnose and fix many of these issues yourself. However, if you’re not comfortable with electrical or mechanical work, it’s always a good idea to call a professional to avoid causing further damage to your dryer.